Remorseless is a related term of barbarous.
As adjectives the difference between remorseless and barbarous
is that remorseless
is without remorse, mercy or pity while barbarous
is not classical or pure.
without remorse, mercy or pity
unyielding or relentless
* (obsolete) barbarouse
Not classical or pure.
Like a barbarian, especially in sound; noisy, dissonant.
- I did but prompt the age to quit their cloggs
- By the known rules of antient libertie,
- When strait a barbarous noise environs me
- Of Owles and Cuckoes, Asses, Apes and Doggs - (1673)